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$433+ Cheap flights from Gatwick (LGW) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SEA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Gatwick to Washington

Keep the following information in mind while searching for Gatwick to Washington flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$610
(The Travel House)

One-way from

$433
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$726
Provider with most accurate pricing for London (LON)-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Seattle/Tacoma Intl flights.
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From London Gatwick to Washington
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One-way flight from London Gatwick to Washington
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Highest demand for flights based on searches. 12% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Gatwick to Washington

Cheapest flights from Gatwick to Washington
Explore the most affordable flight options available from Gatwick to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Gotogate deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2511:55 amLGW - SEA
1 stop13h 05mIcelandair
Tue 12/22:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 10/28$595
This FlightHub deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:55 amLGW - SEA
1 stop13h 05mIcelandair
Tue 11/182:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 10/30$612
This Gotogate deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2711:55 amLGW - SEA
1 stop13h 05mIcelandair
Thu 12/42:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 10/28$627
This Gotogate deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:55 amLGW - SEA
1 stop13h 05mIcelandair
Wed 11/262:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 10/28$632
This Gotogate deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/411:55 amLGW - SEA
1 stop13h 05mIcelandair
Mon 12/82:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 10/30$641
This oojo deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:55 amLGW - SEA
1 stop13h 05mIcelandair
Thu 11/132:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 10/29$644
This FlightHub deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:55 amLGW - SEA
1 stop13h 05mIcelandair
Tue 11/182:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 10/30$645
This oojo deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1511:55 amLGW - SEA
1 stop13h 05mIcelandair
Thu 1/152:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 10/28$647
This Gotogate deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/611:55 amLGW - SEA
1 stop13h 05mIcelandair
Sat 11/152:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 10/27$658
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/68:50 amLGW - SEA
2 stops16h 10mMultiple Airlines
Thu 11/132:35 pmSEA - LGW
2 stops15h 50mMultiple Airlines
Deal found 10/29$663
This Icelandair deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1211:55 amLGW - SEA
1 stop13h 05mIcelandair
Sun 11/162:35 pmSEA - LGW
1 stop12h 20mIcelandair
Deal found 10/28$668
This Gotogate deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:55 amLGW - PDX
1 stop13h 05mIcelandair
Mon 12/12:45 pmPDX - LGW
1 stop12h 10mIcelandair
Deal found 10/30$715

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gatwick to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Washington that are best for you.

Fly from

Gatwick

Fly to

Washington

Route

Depart

Return

Price

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 11/12

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Wed 11/19

2:35 pm-10:55 am

1 stop12h 20m

$635

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 12/15

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Wed 1/7

2:35 pm-10:55 am

1 stop12h 20m

$671

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 12/24

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Wed 1/7

2:35 pm-10:55 am

1 stop12h 20m

$671

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 12/15

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Fri 1/9

2:35 pm-10:55 am

1 stop12h 20m

$704

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 12/24

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Sun 1/11

2:35 pm-10:55 am

1 stop12h 20m

$704

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 12/24

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Fri 1/9

2:35 pm-10:55 am

1 stop12h 20m

$704

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 12/15

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Sun 1/11

2:35 pm-10:55 am

1 stop12h 20m

$704

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Mon 11/17

11:55 am-5:00 pm

1 stop13h 05m

Portland

Mon 12/1

2:45 pm-10:55 am

1 stop12h 10m

$715

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 2/25

1:00 pm-11:54 pm

1 stop18h 54m

Seattle/Tacoma Intl

Sat 3/7

10:55 am-6:00 am

1 stop35h 05m

$741

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 11/10

11:55 am-5:00 pm

1 stop13h 05m

Seattle/Tacoma Intl

Thu 11/20

2:35 pm-10:55 am

1 stop12h 20m

$777

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 46 results
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Best time to book a flight from Gatwick to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Gatwick with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to Washington

What is the cheapest month to book a flight from London Gatwick Airport to State of Washington?

Currently, March is the cheapest month in which you can book a flight from London Gatwick Airport to State of Washington (average of $410). Flying from London Gatwick Airport to State of Washington in August is currently the most expensive (average of $768). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated October 30, 2025.
Read reviews from past customers who have flown Icelandair from London Gatwick Airport to Washington. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.1
Good
562 reviews

Boarding

7.2

Crew

8.1

Overall

7.1

Food

6.2

Comfort

6.9

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient
Icelandair
7.1
Good
562 reviews
Icelandair
7.1
Good
562 reviews

Boarding

7.2

Crew

8.1

Overall

7.1

Food

6.2

Comfort

6.9

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Gatwick Airport to State of Washington?

    There are many flights that can get you from London Gatwick Airport to State of Washington in 13h 05m. Fly via Icelandair to get the fastest option. London Gatwick Airport and State of Washington are separated by a distance of 4807 mi.

  • What are the most popular routes from London Gatwick Airport to State of Washington?

    While some choose either London Gatwick - Portland or London Gatwick - Spokane, London Gatwick - Seattle/Tacoma Intl is the most popular route from London Gatwick Airport to State of Washington.

  • Can I find deals for flights from Gatwick to Washington that include hotel bookings?

    Yes. In addition to deals on Gatwick to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Washington.

  • Can I find deals for business class flights from Gatwick to Washington?

    Yes. Cheapflights offers flight deals from Gatwick to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Gatwick Airport to State of Washington?

    Currently, March is the cheapest month in which you can book a flight from London Gatwick Airport to State of Washington (average of $410). Flying from London Gatwick Airport to State of Washington in August is currently the most expensive (average of $768). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Gatwick to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Gatwick to Washington

Discover the top airline that operate flights from Gatwick to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$418Average$899FlexibilityNo cancel feeOn-time76%

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